diff --git a/cloud/chv/memory_files.py b/cloud/chv/memory_files.py
index 1e474e9..9b0bc45 100644
--- a/cloud/chv/memory_files.py
+++ b/cloud/chv/memory_files.py
@@ -258,10 +258,16 @@ class MemorySystemClient:
 
 
 def build_pull_command(ssh_cmd: list[str], remote_home: str) -> list[str]:
-    """构造拉取命令：ssh … tar -czf - -C <父目录> <家目录名>。"""
-    parent = os.path.dirname(remote_home.rstrip("/"))
-    base = os.path.basename(remote_home.rstrip("/"))
-    return list(ssh_cmd) + ["tar -czf - -C %s %s" % (parent, base)]
+    """构造拉取命令：ssh … tar -czf - -C <家目录> .（只打包内容）。
+
+    绝不用旧形状 ``-C <父目录> <家目录名>``：它会把顶层目录名
+    打进包，解到镜像后文件落在 ``<local>/memory/MEMORY.md``，
+    而 ``MemoryFiles(mirror)`` 读的是 ``<local>/MEMORY.md``——
+    拉取与读取差一层，R12 真机 P7 实测 ``host_pull_files=1``
+    却报 ``memory file missing: MEMORY.md``。
+    """
+    return list(ssh_cmd) + ["tar -czf - -C %s ."
+                            % remote_home.rstrip("/")]
 
 
 def pull_memory_home(ssh_cmd: list[str], remote_home: str,
diff --git a/cloud/tests/test_chv_muse_p7.py b/cloud/tests/test_chv_muse_p7.py
index b799937..714d834 100644
--- a/cloud/tests/test_chv_muse_p7.py
+++ b/cloud/tests/test_chv_muse_p7.py
@@ -401,7 +401,7 @@ class PullMemoryHomeTest(unittest.TestCase):
         cmd = build_pull_command(
             ["ssh", "-p", "2222", "chv@127.0.0.1"], "/home/chv/memory")
         self.assertEqual(cmd, ["ssh", "-p", "2222", "chv@127.0.0.1",
-                               "tar -czf - -C /home/chv memory"])
+                               "tar -czf - -C /home/chv/memory ."])
 
     def test_pull_with_fake_ssh(self):
         with tempfile.TemporaryDirectory() as tmp:
@@ -415,14 +415,18 @@ class PullMemoryHomeTest(unittest.TestCase):
             fake_ssh = os.path.join(tmp, "fake-ssh")
             Path(fake_ssh).write_text(
                 "#!/bin/sh\n"
-                "tar -czf - -C %s memory\n" % remote_parent)
+                "tar -czf - -C %s .\n" % remote_home)
             os.chmod(fake_ssh, 0o755)
             local = os.path.join(tmp, "local")
             result = pull_memory_home([fake_ssh], GUEST_MEMORY_HOME,
                                       local)
             self.assertEqual(result["files"], 2)
+            # round-12 修复轮（项 3，P7）：拉取不再多一层目录——
+            # MEMORY.md 直接落在镜像根，MemoryFiles 读得到。
+            self.assertEqual(Path(os.path.join(
+                local, "MEMORY.md")).read_text(), "# 记忆\n")
             self.assertIn("冰美式", Path(os.path.join(
-                local, "memory", "memory", "2026-11-07.md")).read_text())
+                local, "memory", "2026-11-07.md")).read_text())
 
     def test_pull_ssh_failure_raises(self):
         with tempfile.TemporaryDirectory() as tmp: